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EN AC-51200 Aluminum vs. EN-MC65120 Magnesium

EN AC-51200 aluminum belongs to the aluminum alloys classification, while EN-MC65120 magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN AC-51200 aluminum and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
55
Elastic (Young's, Tensile) Modulus, GPa 67
45
Elongation at Break, % 1.1
3.1
Fatigue Strength, MPa 100
80
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
17
Tensile Strength: Ultimate (UTS), MPa 220
160
Tensile Strength: Yield (Proof), MPa 150
110

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 640
590
Melting Onset (Solidus), °C 570
520
Specific Heat Capacity, J/kg-K 910
970
Thermal Conductivity, W/m-K 92
100
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
25
Electrical Conductivity: Equal Weight (Specific), % IACS 74
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.6
1.9
Embodied Carbon, kg CO2/kg material 9.6
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1150
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.2
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 160
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
62
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 31
34
Thermal Diffusivity, mm2/s 39
56
Thermal Shock Resistance, points 10
9.8

Alloy Composition

Aluminum (Al), % 84.5 to 92
0
Copper (Cu), % 0 to 0.1
0 to 0.030
Iron (Fe), % 0 to 1.0
0 to 0.010
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 8.0 to 10.5
91.8 to 95.1
Manganese (Mn), % 0 to 0.55
0 to 0.15
Nickel (Ni), % 0 to 0.1
0 to 0.0050
Silicon (Si), % 0 to 2.5
0 to 0.010
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.2
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.25
2.0 to 3.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010